In a scathing critique of the Defense Department's efforts to curb sexual assaults, a U.S. senator warned Monday that the true scope of sex-related violence in the military communities is "vastly underreported" and that victims continue to struggle for justice.

The Islamic State group claimed responsibility today for a weekend attack at a center near Dallas, Texas, that was exhibiting cartoon depictions of the Prophet Muhammad -- though it offered no evidence of a direct link to the attackers.

For the first time since his trial began four months ago, Boston Marathon bomber Dzhokhar Tsarnaev dropped his blank, impassive demeanor and showed emotion as his Russian aunt sobbed uncontrollably and had to leave the witness stand.

A common type of pesticide is dramatically harming wild bees, according to a new in-the-field study that outside experts say may help shift the way the U.S. government looks at a controversial class of chemicals.

This city once known as Saigon was blanketed in red banners on Thursday that read "Long Live the Glorious Communist Party of Vietnam," 40 years after northern forces seized control of the country and America walked away from a divisive and bloody war that remains a painful sore.

Nearly three-quarters of Americans say it's acceptable for the U.S. to use an unmanned aerial drone to kill an American citizen abroad if that person has joined a terror organization, according to a new Associated Press-GfK poll.

One man ran naked through a Florida neighborhood, tried to have sex with a tree and told police he was the mythical god Thor. Another ran nude down a busy city street in broad daylight, convinced a pack of German shepherds was pursuing him.

The top Baltimore city police officer suspended following Freddie Gray's death was hospitalized in April 2012 following concerns about his mental health, according to records from a sheriff's department and court obtained by The Associated Press.

Congressional Republicans are divided over how to respond to an approaching Supreme Court decision on President Barack Obama's health care law, even as growing numbers concede that their long-sought goal of repealing the statute will have to wait.